Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
27421 Nathanhan (2000 EK164)
Classification: Main-belt Asteroid          SPK-ID: 2027421
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1452627281814715 6.6677e-08  
a 2.739720629063044 2.6546e-08 AU
q 2.341741336030289 1.8511e-07 AU
i 5.634985596703289 7.2629e-06 deg
node 182.0774030964294 5.526e-05 deg
peri 181.5971663029688 5.8344e-05 deg
M 255.0525211289842 1.9945e-05 deg
tp 2457483.366810943706
(2016-Apr-04.86681094)
9.3865e-05 JED
period 1656.371871051613
4.53
2.4073e-05
6.591e-08
d
yr
n .2173424979569593 3.1588e-09 deg/d
Q 3.137699922095799 3.0402e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      761  
   data-arc span      11205 days (30.68 yr)  
   first obs. used      1984-10-20  
   last obs. used      2015-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55024  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:40:44  

Additional Information
 Earth MOID = 1.33953 AU 
 T_jup = 3.328 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO299154  

27421 Nathanhan           Discovered 2000 Mar. 3 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Nathan Han (b. 1999) is a finalist in the 2011 Broadcom MASTERS, a math and science competition for middle-school students, for his biochemistry, medicine, health science and microbiology project. He attends the Jackson Mann K-8 School, Allston, Massachusetts.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2000 EK164 = 1984 UX4 = 1996 GA2 = 2000 GT175 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Jul-28 01:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin